Even as Chinese Premier Li Keqiang pledges to ensure that blue skies never become a luxury, a state-backed firm is doing brisk business selling 48 yuan ($6.95) cans of fresh air bottled in a forest in western China.

A group of Swedish university students that raised 1.2 million euros ($1.3 million) in crowdfunding for their startup to build electric cars has caught the attention of German industrial heavyweight Siemens.